TY  - JOUR
AU  - Zelinka, Bohdan
TI  - Self-derived polar graphs
JO  - Czechoslovak Mathematical Journal
PY  - 1976
SP  - 365
EP  - 370
VL  - 26
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101412/
DO  - 10.21136/CMJ.1976.101412
LA  - en
ID  - 10_21136_CMJ_1976_101412
ER  -